<%@ page import="java.sql.Connection" %>
<%@ page import="java.sql.DriverManager" %>
<%@ page import="java.sql.PreparedStatement" %><%--
  Created by IntelliJ IDEA.
  User: 113
  Date: 2020/10/21
  Time: 9:30
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%
    Class.forName("com.mysql.jdbc.Driver");

    //建立数据库连接
    String url = "jdbc:mysql://localhost:3306/books";//数据库连接地址
    Connection connection = DriverManager.getConnection(url, "root", "root");
    String sql = "delete from user where id = ?";
    PreparedStatement ps = connection.prepareStatement(sql);

    int id = Integer.parseInt(request.getParameter("id"));

    ps.setInt(1,id);

    int count = ps.executeUpdate();

    if (count >0){
        out.print("删除成功");
    }else{
        out.print("删除失败");
    }
%>